From the last paragraph we can learn that __
A. some pipes have to be re-arranged in winter
B. the system can do more than warming up the building
C. the exchangers will pick up heat from the street surface
D. less heat may be collected in winter than in summer
第1题:
Our tradition ______ be different _____ yours.
A、can;with
B、must;with
C、need;as
D、may;from
第2题:
—— ______they ______an English class?
——N0.they aren’t.
A.Are;having
B.Are;have
C.D0;have
D.Can;have
第3题:
第4题:
A. must have
B. can’t have
C. should have
D. needn’t have
答案:D
解析:根据题意选D。
本句意思:我们应该已经预订过了。看,这家餐厅几乎空无一人。
must have意思为:“必须已经”;can’t have“不能”;should have意思为:“应该已经”;needn’t have意思为:“不必”,
第5题:
27.If we travel by car ,we_________.
A. can't travel fifty or one hundred miles a day
B. can-t stop at a hotel to spend the night
C. can make our own timetable '
D. can travel to a very far place in several minutes
第6题:
语义网络的基本语义关系包括()。
A.实例关系(ISA)
B.分类关系(AKO)
C.成员关系(A-Member-of)
D.属性关系(Have或者Can)